30221020322212 has 12 divisors (see below), whose sum is σ = 52886996987356. Its totient is φ = 15110449754400.

The previous prime is 30221020322161. The next prime is 30221020322219. The reversal of 30221020322212 is 21222302012203.

It can be written as a sum of positive squares in 2 ways, for example, as 20773413221796 + 9447607100416 = 4557786^2 + 3073696^2 .

It is not an unprimeable number, because it can be changed into a prime (30221020322219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13966539 + ... + 15984562.

Almost surely, 2^{30221020322212} is an apocalyptic number.

It is an amenable number.

30221020322212 is a deficient number, since it is larger than the sum of its proper divisors (22665976665144).

30221020322212 is a wasteful number, since it uses less digits than its factorization.

30221020322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30203358 (or 30203356 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30221020322212 its reverse (21222302012203), we get a palindrome (51443322334415).

The spelling of 30221020322212 in words is "thirty trillion, two hundred twenty-one billion, twenty million, three hundred twenty-two thousand, two hundred twelve".